From netramet-owner  Tue Jun  1 01:51:34 1999
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Date: Mon, 31 May 1999 15:47:03 +0200
From: Tanja Zseby <[email protected]>
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Subject: DSCodePoint
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Hello,

I have some questions regarding NeTraMet:

1. I would like to do some NeTraMet measurements in our linux diffserv
testbed . Has anyone already experiences with the DSCodePoint attribute
? Are there example SRL files or further documentation on this ?

2. Has anyone already done some performance measurements for NeTraMet ?

3. Does there exist a NeTraMet or RTFM FAQ ?

Best Regards
Tanja

--
Dipl.-Ing. Tanja Zseby     [email protected]
GMD FOKUS (GloNe)
Kaiserin-Augusta-Allee 31    Phone: +49-30-3463-7153
D-10589 Berlin, Germany      Fax:   +49-30-3463-8153
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From netramet-owner  Tue Jun  1 14:07:24 1999
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From: Nevil Brownlee <[email protected]>
To: NeTraMet mailing list <[email protected]>
Subject: fwd:  Re: DSCodePoint
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Date: Tue, 1 Jun 1999 14:05:40 +1200 (New Zealand Standard Time)
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--- Begin Forwarded Message ---
Date: Mon, 31 May 1999 17:59:50 +0200
From: Markus Fix <[email protected]>
Organization: IP23 GmbH,Frankfurt/Main,Germany
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Tanja Zseby wrote:
>
> Hello,
>
> I have some questions regarding NeTraMet:
>
> 1. I would like to do some NeTraMet measurements in our linux diffserv
> testbed . Has anyone already experiences with the DSCodePoint attribute
> ? Are there example SRL files or further documentation on this ?
>

Don't think so.

> 2. Has anyone already done some performance measurements for NeTraMet ?
>

Yep, we did. Performs quite well but needs at least Pentium II 250MHz
to keep up with a 100Mbit link.

And NO, Linux is totally useless as a meter. The latest kernel might fix
this but we haven't tried yet. Meters fine with FreeBSD though.
(As anyone can confirm by using ttcp and tcpdump in a testbed.)

You might want to have a look at http://www.ipmeter.com/ for a package
that uses NeTraMet as the measuring core and creates nice output.

> 3. Does there exist a NeTraMet or RTFM FAQ ?

Only the readme files that come with the source.

-fix

--
Markus Fix   (CEO)                      IP23 GmbH
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********** The best defense against logic is ignorance. ************
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From netramet-owner  Wed Jun  2 09:45:08 1999
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From: Nevil Brownlee <[email protected]>
To: [email protected]
Cc: netramet-Mailinglist <[email protected]>
Subject: Re: DSCodePoint
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Hello Tanja:
> 1. I would like to do some NeTraMet measurements in our linux diffserv
> testbed . Has anyone already experiences with the DSCodePoint attribute
> ? Are there example SRL files or further documentation on this ?

DSCodePoint has been in the 4.3 version of NeTraMet from early beta
releases.  Initially I'd thought there would be two attributes, To- and
From- DSCodePoint, but it turns out that this is impossible to implement,
since to do it would require DSCP's for both directions in the first
packet seen by the meter for a flow - and there's only one DS Field in
the packet.  This means that DSCodePoint is a single attribute which can
be used in two ways:

a) Split up traffic with a flow into its various CodePoints, i.e.
   break it into sub-flows for each CodePoint

b) Look at total traffic only, splitting it into CodePoints

Here's an example SRL program ..

  if SourcePeerType == IP && SourceTransType == TCP
     save;
  else ignore;

  if SourcePeerAddress == 130.216/16 {  # Use 130.216 as Source
     save SourcePeerAddress;  save DestPeerAddress;
     save DSCodePoint;
     count;
     }

set 3;
format
 FlowRuleSet FlowIndex FirstTime LastTime "  "
 SourcePeerType SourceTransType "  "
 ToPDUs ToOctets "  " FromPDUs FromOctets "  "
 SourcePeerAddress DestPeerAddress
 "  <" dscodepoint ">";


> 2. Has anyone already done some performance measurements for NeTraMet ?

Yes.  You could look through the NeTraMet mail archive at
www.auckland.ac.nz/NeTraMet

> 3. Does there exist a NeTraMet or RTFM FAQ ?

All the RTFM information is on its web site,
ww.auckland.ac.nz/net/Internet/rtfm

I'm (slowly) writing a NeTraMet FAQ document as part of the 4.3 Release,
which I'm trying to get done by the end of this month.

Cheers, Nevil

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| Nevil Brownlee                     Director, Technology Development |
| Phone: +64 9 373 7599 x8941        ITSS, The University of Auckland |
|   FAX: +64 9 373 7021      Private Bag 92019, Auckland, New Zealand |
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From netramet-owner  Fri Jun  4 20:08:20 1999
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Subject: Performance using Netramet on standard PC
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Hi everybody,

I'm trying to find out at what speeds (bandwidth/packet rates) NetraMet can
be used for accounting purposes running on a standard PC or Unix
workstation.

If you have pointers to such performance tests i would be very happy :-).

-Marius Clemetsen

--------------------------------------------------------
Marius Clemetsen, Telenor
Instituttveien 23, N-2007 Kjeller
Telefon: (+47) 63 84 86 97
Mobil: (+47) 909 14 606
Email: [email protected]
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From netramet-owner  Mon Jun  7 16:11:38 1999
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Date: Mon, 7 Jun 1999 14:07:46 +1000
To: [email protected]
From: [email protected] (Danny Thomas)
Subject: anyone running IPMeter ?
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I know this is slightly off-topic, but ...

thanks to a recent message I became aware of IPMeter
(http://www.ipmeter.com) as a way of putting a web front end onto NeTraMet.


I've downloaded it and nearly finished the installation but get told
 install: include/aliases.srl: no such file or directory
That's the first of about a dozen rulesets which get copied into
/home/ipmeter/share/rules. I did a find through the whole directory tree,
but the only .srl files were in NeTraMet's examples directory.

Unfortunately there's a lack of contact addresses on their web-site, and
while I sent off a question about this to one of their mailing-lists, it
doesn't seem my subscription has been manually approved yet.

I'd *really* like to try this out in the next day, and would be grateful if
anyone who's running IPMeter could send me a tarred copy of their
/home/ipmeter/share directory (my includes is empty too). I assume this is
OK and these files have been accidentally omitted from the distribution.

Oh, and if anyone's got some comments or tips, that would be nice too!

cheeers,
Danny Thomas

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